Description

Fixes #478

Type of change

[X] Bug fix (non-breaking change which fixes an issue)
- fixes bug in v1/workflows/activities endpoint documented in #478
- NOTE: this v1 endpoint will be removed in a future PR
[X] New feature (non-breaking change which adds functionality)
- introduces NEW workflows/activities endpoint that duplicates the functionality of the above
[x] This change requires a documentation update
- [x] Add "Deprecated" note to v1
- [x] Add workflows/activities documentation

Used example in #478 for added test_submit_workflow_activities test.

[X] My code follows the style guidelines of this project (have you run black nmdc_runtime/?)
[X] I have performed a self-review of my code
[X] I have commented my code, particularly in hard-to-understand areas
[x] I have made corresponding changes to the documentation (in docs/ and in https://github.com/microbiomedata/NMDC_documentation/?) no need; this is a fix
[x] I have added tests that prove my fix is effective or that my feature works, incl. considering downstream usage (e.g. https://github.com/microbiomedata/notebook_hackathons) if applicable.
[x] New and existing unit and functional tests pass locally with my changes (make up-test && make test-run)